public class Died_Look {
    public static void main(String[] args) throws InterruptedException {
        Object o1 = new Object();
        Object o2 = new Object();
        Thread t1 = new Thread(()->{
            synchronized (o1){
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                synchronized (o2){
               System.out.println("t1获取到两把锁");
           }
            }
        });
        Thread t2 = new Thread(()->{
            synchronized (o2){
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                synchronized (o1){
                    System.out.println("t2获取到两把锁");
                }
            }
        });
        t1.start();
        t2.start();
    }
}
